Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end data structures for ELF files. |
e5094212 AM |
2 | Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
3 | 2002 Free Software Foundation, Inc. | |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
5e8d7549 | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
5e8d7549 NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
5e8d7549 NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
5e8d7549 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
252b5132 RH |
21 | |
22 | #ifndef _LIBELF_H_ | |
23 | #define _LIBELF_H_ 1 | |
24 | ||
25 | #include "elf/common.h" | |
26 | #include "elf/internal.h" | |
27 | #include "elf/external.h" | |
28 | #include "bfdlink.h" | |
29 | ||
d9bc7a44 | 30 | /* The number of entries in a section is its size divided by the size |
51b64d56 | 31 | of a single entry. This is normally only applicable to reloc and |
d9bc7a44 NC |
32 | symbol table sections. */ |
33 | #define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_size / (shdr)->sh_entsize) | |
34 | ||
252b5132 | 35 | /* If size isn't specified as 64 or 32, NAME macro should fail. */ |
e43d48cc AM |
36 | /* Do not "beautify" the CONCAT* macro args. Traditional C will not |
37 | remove whitespace added here, and thus will fail to concatenate | |
38 | the tokens. */ | |
252b5132 RH |
39 | #ifndef NAME |
40 | #if ARCH_SIZE==64 | |
e43d48cc | 41 | #define NAME(x,y) CONCAT4 (x,64,_,y) |
252b5132 RH |
42 | #endif |
43 | #if ARCH_SIZE==32 | |
e43d48cc | 44 | #define NAME(x,y) CONCAT4 (x,32,_,y) |
252b5132 RH |
45 | #endif |
46 | #endif | |
47 | ||
48 | #ifndef NAME | |
e43d48cc | 49 | #define NAME(x,y) CONCAT4 (x,NOSIZE,_,y) |
252b5132 RH |
50 | #endif |
51 | ||
52 | #define ElfNAME(X) NAME(Elf,X) | |
53 | #define elfNAME(X) NAME(elf,X) | |
54 | ||
55 | /* Information held for an ELF symbol. The first field is the | |
56 | corresponding asymbol. Every symbol is an ELF file is actually a | |
57 | pointer to this structure, although it is often handled as a | |
58 | pointer to an asymbol. */ | |
59 | ||
60 | typedef struct | |
61 | { | |
62 | /* The BFD symbol. */ | |
63 | asymbol symbol; | |
64 | /* ELF symbol information. */ | |
65 | Elf_Internal_Sym internal_elf_sym; | |
66 | /* Backend specific information. */ | |
67 | union | |
68 | { | |
69 | unsigned int hppa_arg_reloc; | |
70 | PTR mips_extr; | |
71 | PTR any; | |
72 | } | |
73 | tc_data; | |
74 | ||
75 | /* Version information. This is from an Elf_Internal_Versym | |
76 | structure in a SHT_GNU_versym section. It is zero if there is no | |
77 | version information. */ | |
78 | unsigned short version; | |
79 | ||
80 | } elf_symbol_type; | |
81 | \f | |
2b0f7ef9 JJ |
82 | struct elf_strtab_hash; |
83 | ||
252b5132 RH |
84 | /* ELF linker hash table entries. */ |
85 | ||
86 | struct elf_link_hash_entry | |
87 | { | |
88 | struct bfd_link_hash_entry root; | |
89 | ||
90 | /* Symbol index in output file. This is initialized to -1. It is | |
91 | set to -2 if the symbol is used by a reloc. */ | |
92 | long indx; | |
93 | ||
252b5132 RH |
94 | /* Symbol index as a dynamic symbol. Initialized to -1, and remains |
95 | -1 if this is not a dynamic symbol. */ | |
30b30c21 RH |
96 | /* ??? Note that this is consistently used as a synonym for tests |
97 | against whether we can perform various simplifying transformations | |
98 | to the code. (E.g. changing a pc-relative jump to a PLT entry | |
99 | into a pc-relative jump to the target function.) That test, which | |
100 | is often relatively complex, and someplaces wrong or incomplete, | |
101 | should really be replaced by a predicate in elflink.c. | |
102 | ||
103 | End result: this field -1 does not indicate that the symbol is | |
104 | not in the dynamic symbol table, but rather that the symbol is | |
105 | not visible outside this DSO. */ | |
252b5132 RH |
106 | long dynindx; |
107 | ||
108 | /* String table index in .dynstr if this is a dynamic symbol. */ | |
109 | unsigned long dynstr_index; | |
110 | ||
a90b9fca AM |
111 | /* Hash value of the name computed using the ELF hash function. */ |
112 | unsigned long elf_hash_value; | |
113 | ||
252b5132 RH |
114 | /* If this is a weak defined symbol from a dynamic object, this |
115 | field points to a defined symbol with the same value, if there is | |
116 | one. Otherwise it is NULL. */ | |
117 | struct elf_link_hash_entry *weakdef; | |
118 | ||
252b5132 RH |
119 | /* If this symbol is used in the linker created sections, the processor |
120 | specific backend uses this field to map the field into the offset | |
121 | from the beginning of the section. */ | |
122 | struct elf_linker_section_pointers *linker_section_pointer; | |
123 | ||
124 | /* Version information. */ | |
125 | union | |
126 | { | |
127 | /* This field is used for a symbol which is not defined in a | |
128 | regular object. It points to the version information read in | |
129 | from the dynamic object. */ | |
130 | Elf_Internal_Verdef *verdef; | |
131 | /* This field is used for a symbol which is defined in a regular | |
132 | object. It is set up in size_dynamic_sections. It points to | |
133 | the version information we should write out for this symbol. */ | |
134 | struct bfd_elf_version_tree *vertree; | |
135 | } verinfo; | |
136 | ||
137 | /* Virtual table entry use information. This array is nominally of size | |
138 | size/sizeof(target_void_pointer), though we have to be able to assume | |
139 | and track a size while the symbol is still undefined. It is indexed | |
140 | via offset/sizeof(target_void_pointer). */ | |
141 | size_t vtable_entries_size; | |
b34976b6 | 142 | bfd_boolean *vtable_entries_used; |
252b5132 RH |
143 | |
144 | /* Virtual table derivation info. */ | |
145 | struct elf_link_hash_entry *vtable_parent; | |
146 | ||
a90b9fca AM |
147 | /* If this symbol requires an entry in the global offset table, the |
148 | processor specific backend uses this field to track usage and | |
149 | final offset. We use a union and two names primarily to document | |
150 | the intent of any particular piece of code. The field should be | |
151 | used as a count until size_dynamic_sections, at which point the | |
152 | contents of the .got is fixed. Afterward, if this field is -1, | |
153 | then the symbol does not require a global offset table entry. */ | |
154 | union | |
155 | { | |
156 | bfd_signed_vma refcount; | |
157 | bfd_vma offset; | |
158 | } got; | |
159 | ||
160 | /* Same, but tracks a procedure linkage table entry. */ | |
161 | union | |
162 | { | |
163 | bfd_signed_vma refcount; | |
164 | bfd_vma offset; | |
165 | } plt; | |
166 | ||
167 | /* Symbol size. */ | |
168 | bfd_size_type size; | |
169 | ||
252b5132 RH |
170 | /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */ |
171 | char type; | |
172 | ||
9b234ee9 | 173 | /* Symbol st_other value, symbol visibility. */ |
252b5132 RH |
174 | unsigned char other; |
175 | ||
252b5132 RH |
176 | /* Some flags; legal values follow. */ |
177 | unsigned short elf_link_hash_flags; | |
178 | /* Symbol is referenced by a non-shared object. */ | |
179 | #define ELF_LINK_HASH_REF_REGULAR 01 | |
180 | /* Symbol is defined by a non-shared object. */ | |
181 | #define ELF_LINK_HASH_DEF_REGULAR 02 | |
182 | /* Symbol is referenced by a shared object. */ | |
183 | #define ELF_LINK_HASH_REF_DYNAMIC 04 | |
184 | /* Symbol is defined by a shared object. */ | |
185 | #define ELF_LINK_HASH_DEF_DYNAMIC 010 | |
186 | /* Symbol has a non-weak reference from a non-shared object. */ | |
187 | #define ELF_LINK_HASH_REF_REGULAR_NONWEAK 020 | |
188 | /* Dynamic symbol has been adjustd. */ | |
189 | #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 040 | |
190 | /* Symbol needs a copy reloc. */ | |
191 | #define ELF_LINK_HASH_NEEDS_COPY 0100 | |
192 | /* Symbol needs a procedure linkage table entry. */ | |
193 | #define ELF_LINK_HASH_NEEDS_PLT 0200 | |
194 | /* Symbol appears in a non-ELF input file. */ | |
195 | #define ELF_LINK_NON_ELF 0400 | |
196 | /* Symbol should be marked as hidden in the version information. */ | |
197 | #define ELF_LINK_HIDDEN 01000 | |
198 | /* Symbol was forced to local scope due to a version script file. */ | |
199 | #define ELF_LINK_FORCED_LOCAL 02000 | |
200 | /* Symbol was marked during garbage collection. */ | |
201 | #define ELF_LINK_HASH_MARK 04000 | |
7843f00e ILT |
202 | /* Symbol is referenced by a non-GOT/non-PLT relocation. This is |
203 | not currently set by all the backends. */ | |
204 | #define ELF_LINK_NON_GOT_REF 010000 | |
252b5132 RH |
205 | }; |
206 | ||
30b30c21 RH |
207 | /* Records local symbols to be emitted in the dynamic symbol table. */ |
208 | ||
209 | struct elf_link_local_dynamic_entry | |
210 | { | |
211 | struct elf_link_local_dynamic_entry *next; | |
212 | ||
213 | /* The input bfd this symbol came from. */ | |
214 | bfd *input_bfd; | |
215 | ||
216 | /* The index of the local symbol being copied. */ | |
217 | long input_indx; | |
218 | ||
219 | /* The index in the outgoing dynamic symbol table. */ | |
220 | long dynindx; | |
3e932841 | 221 | |
30b30c21 RH |
222 | /* A copy of the input symbol. */ |
223 | Elf_Internal_Sym isym; | |
224 | }; | |
225 | ||
f5d44ba0 AM |
226 | struct elf_link_loaded_list |
227 | { | |
228 | struct elf_link_loaded_list *next; | |
229 | bfd *abfd; | |
230 | }; | |
231 | ||
65765700 JJ |
232 | enum elf_link_info_type |
233 | { | |
234 | ELF_INFO_TYPE_NONE, | |
235 | ELF_INFO_TYPE_STABS, | |
236 | ELF_INFO_TYPE_MERGE, | |
237 | ELF_INFO_TYPE_EH_FRAME, | |
2d653fc7 | 238 | ELF_INFO_TYPE_JUST_SYMS, |
65765700 JJ |
239 | ELF_INFO_TYPE_LAST |
240 | }; | |
241 | ||
126495ed AM |
242 | /* Structures used by the eh_frame optimization code. */ |
243 | struct cie_header | |
244 | { | |
245 | unsigned int length; | |
246 | unsigned int id; | |
247 | }; | |
248 | ||
249 | struct cie | |
250 | { | |
251 | struct cie_header hdr; | |
252 | unsigned char version; | |
253 | unsigned char augmentation[20]; | |
254 | unsigned int code_align; | |
255 | int data_align; | |
256 | unsigned int ra_column; | |
257 | unsigned int augmentation_size; | |
258 | struct elf_link_hash_entry *personality; | |
259 | unsigned char per_encoding; | |
260 | unsigned char lsda_encoding; | |
261 | unsigned char fde_encoding; | |
262 | unsigned char initial_insn_length; | |
263 | unsigned char make_relative; | |
264 | unsigned char make_lsda_relative; | |
265 | unsigned char initial_instructions[50]; | |
266 | }; | |
267 | ||
268 | struct eh_cie_fde | |
269 | { | |
270 | unsigned int offset; | |
271 | unsigned int size; | |
272 | asection *sec; | |
273 | unsigned int new_offset; | |
274 | unsigned char fde_encoding; | |
275 | unsigned char lsda_encoding; | |
276 | unsigned char lsda_offset; | |
277 | unsigned char cie : 1; | |
278 | unsigned char removed : 1; | |
279 | unsigned char make_relative : 1; | |
280 | unsigned char make_lsda_relative : 1; | |
281 | unsigned char per_encoding_relative : 1; | |
282 | }; | |
283 | ||
284 | struct eh_frame_sec_info | |
285 | { | |
286 | unsigned int count; | |
287 | unsigned int alloced; | |
288 | struct eh_cie_fde entry[1]; | |
289 | }; | |
290 | ||
291 | struct eh_frame_array_ent | |
292 | { | |
293 | bfd_vma initial_loc; | |
294 | bfd_vma fde; | |
295 | }; | |
296 | ||
297 | struct eh_frame_hdr_info | |
298 | { | |
299 | struct cie last_cie; | |
300 | asection *last_cie_sec; | |
301 | asection *hdr_sec; | |
302 | unsigned int last_cie_offset; | |
303 | unsigned int fde_count, array_count; | |
304 | struct eh_frame_array_ent *array; | |
305 | /* TRUE if .eh_frame_hdr should contain the sorted search table. | |
306 | We build it if we successfully read all .eh_frame input sections | |
307 | and recognize them. */ | |
b34976b6 | 308 | bfd_boolean table; |
126495ed AM |
309 | }; |
310 | ||
13ae64f3 JJ |
311 | /* Cached start, size and alignment of PT_TLS segment. */ |
312 | struct elf_link_tls_segment | |
313 | { | |
314 | bfd_vma start; | |
315 | bfd_size_type size; | |
316 | unsigned int align; | |
317 | }; | |
318 | ||
252b5132 RH |
319 | /* ELF linker hash table. */ |
320 | ||
321 | struct elf_link_hash_table | |
322 | { | |
323 | struct bfd_link_hash_table root; | |
51b64d56 | 324 | |
252b5132 RH |
325 | /* Whether we have created the special dynamic sections required |
326 | when linking against or generating a shared object. */ | |
b34976b6 | 327 | bfd_boolean dynamic_sections_created; |
51b64d56 | 328 | |
252b5132 RH |
329 | /* The BFD used to hold special sections created by the linker. |
330 | This will be the first BFD found which requires these sections to | |
331 | be created. */ | |
332 | bfd *dynobj; | |
51b64d56 AM |
333 | |
334 | /* The value to use when initialising got.refcount/offset and | |
335 | plt.refcount/offset in an elf_link_hash_entry. Set to zero when | |
336 | the values are refcounts. Set to -1 in size_dynamic_sections | |
337 | when the values may be offsets. */ | |
338 | bfd_signed_vma init_refcount; | |
339 | ||
252b5132 RH |
340 | /* The number of symbols found in the link which must be put into |
341 | the .dynsym section. */ | |
342 | bfd_size_type dynsymcount; | |
51b64d56 | 343 | |
252b5132 RH |
344 | /* The string table of dynamic symbols, which becomes the .dynstr |
345 | section. */ | |
2b0f7ef9 | 346 | struct elf_strtab_hash *dynstr; |
51b64d56 | 347 | |
252b5132 RH |
348 | /* The number of buckets in the hash table in the .hash section. |
349 | This is based on the number of dynamic symbols. */ | |
350 | bfd_size_type bucketcount; | |
51b64d56 | 351 | |
252b5132 RH |
352 | /* A linked list of DT_NEEDED names found in dynamic objects |
353 | included in the link. */ | |
354 | struct bfd_link_needed_list *needed; | |
51b64d56 | 355 | |
252b5132 RH |
356 | /* The _GLOBAL_OFFSET_TABLE_ symbol. */ |
357 | struct elf_link_hash_entry *hgot; | |
51b64d56 | 358 | |
252b5132 RH |
359 | /* A pointer to information used to link stabs in sections. */ |
360 | PTR stab_info; | |
51b64d56 | 361 | |
f5fa8ca2 JJ |
362 | /* A pointer to information used to merge SEC_MERGE sections. */ |
363 | PTR merge_info; | |
51b64d56 | 364 | |
126495ed AM |
365 | /* Used by eh_frame code when editing .eh_frame. */ |
366 | struct eh_frame_hdr_info eh_info; | |
367 | ||
30b30c21 RH |
368 | /* A linked list of local symbols to be added to .dynsym. */ |
369 | struct elf_link_local_dynamic_entry *dynlocal; | |
51b64d56 | 370 | |
a963dc6a L |
371 | /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic |
372 | objects included in the link. */ | |
373 | struct bfd_link_needed_list *runpath; | |
13ae64f3 JJ |
374 | |
375 | /* Cached start, size and alignment of PT_TLS segment. */ | |
376 | struct elf_link_tls_segment *tls_segment; | |
f5d44ba0 AM |
377 | |
378 | /* A linked list of BFD's loaded in the link. */ | |
379 | struct elf_link_loaded_list *loaded; | |
252b5132 RH |
380 | }; |
381 | ||
382 | /* Look up an entry in an ELF linker hash table. */ | |
383 | ||
384 | #define elf_link_hash_lookup(table, string, create, copy, follow) \ | |
385 | ((struct elf_link_hash_entry *) \ | |
386 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
387 | (copy), (follow))) | |
388 | ||
389 | /* Traverse an ELF linker hash table. */ | |
390 | ||
391 | #define elf_link_hash_traverse(table, func, info) \ | |
392 | (bfd_link_hash_traverse \ | |
393 | (&(table)->root, \ | |
b34976b6 | 394 | (bfd_boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ |
252b5132 RH |
395 | (info))) |
396 | ||
397 | /* Get the ELF linker hash table from a link_info structure. */ | |
398 | ||
399 | #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) | |
8ea2e4bd | 400 | |
b34976b6 | 401 | /* Returns TRUE if the hash table is a struct elf_link_hash_table. */ |
8ea2e4bd NC |
402 | #define is_elf_hash_table(p) \ |
403 | ((p)->hash->type == bfd_link_elf_hash_table) | |
ec338859 AM |
404 | |
405 | /* Used by bfd_section_from_r_symndx to cache a small number of local | |
406 | symbol to section mappings. */ | |
407 | #define LOCAL_SYM_CACHE_SIZE 32 | |
408 | struct sym_sec_cache | |
409 | { | |
410 | bfd *abfd; | |
411 | unsigned long indx[LOCAL_SYM_CACHE_SIZE]; | |
412 | asection *sec[LOCAL_SYM_CACHE_SIZE]; | |
413 | }; | |
252b5132 RH |
414 | \f |
415 | /* Constant information held for an ELF backend. */ | |
416 | ||
417 | struct elf_size_info { | |
418 | unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr; | |
419 | unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note; | |
420 | ||
c7ac6ff8 MM |
421 | /* The size of entries in the .hash section. */ |
422 | unsigned char sizeof_hash_entry; | |
423 | ||
424 | /* The number of internal relocations to allocate per external | |
425 | relocation entry. */ | |
426 | unsigned char int_rels_per_ext_rel; | |
947216bf AM |
427 | /* We use some fixed size arrays. This should be large enough to |
428 | handle all back-ends. */ | |
429 | #define MAX_INT_RELS_PER_EXT_REL 3 | |
c7ac6ff8 | 430 | |
252b5132 RH |
431 | unsigned char arch_size, file_align; |
432 | unsigned char elfclass, ev_current; | |
dc810e39 AM |
433 | int (*write_out_phdrs) |
434 | PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); | |
b34976b6 | 435 | bfd_boolean (*write_shdrs_and_ehdr) |
dc810e39 AM |
436 | PARAMS ((bfd *)); |
437 | void (*write_relocs) | |
438 | PARAMS ((bfd *, asection *, PTR)); | |
73ff0d56 | 439 | void (*swap_symbol_in) |
f8ecb12b | 440 | PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); |
dc810e39 | 441 | void (*swap_symbol_out) |
9ad5cbcf | 442 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); |
b34976b6 AM |
443 | bfd_boolean (*slurp_reloc_table) |
444 | PARAMS ((bfd *, asection *, asymbol **, bfd_boolean)); | |
dc810e39 | 445 | long (*slurp_symbol_table) |
b34976b6 | 446 | PARAMS ((bfd *, asymbol **, bfd_boolean)); |
dc810e39 AM |
447 | void (*swap_dyn_in) |
448 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
449 | void (*swap_dyn_out) | |
450 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); | |
c7ac6ff8 | 451 | |
947216bf AM |
452 | /* This function is called to swap in a REL relocation. If an |
453 | external relocation corresponds to more than one internal | |
454 | relocation, then all relocations are swapped in at once. */ | |
c7ac6ff8 | 455 | void (*swap_reloc_in) |
947216bf | 456 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
c7ac6ff8 | 457 | |
947216bf | 458 | /* This function is called to swap out a REL relocation. */ |
c7ac6ff8 | 459 | void (*swap_reloc_out) |
947216bf | 460 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
c7ac6ff8 | 461 | |
947216bf AM |
462 | /* This function is called to swap in a RELA relocation. If an |
463 | external relocation corresponds to more than one internal | |
464 | relocation, then all relocations are swapped in at once. */ | |
c7ac6ff8 MM |
465 | void (*swap_reloca_in) |
466 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); | |
467 | ||
947216bf | 468 | /* This function is called to swap out a RELA relocation. */ |
c7ac6ff8 MM |
469 | void (*swap_reloca_out) |
470 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); | |
252b5132 RH |
471 | }; |
472 | ||
473 | #define elf_symbol_from(ABFD,S) \ | |
474 | (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \ | |
475 | && (S)->the_bfd->tdata.elf_obj_data != 0) \ | |
476 | ? (elf_symbol_type *) (S) \ | |
477 | : 0) | |
478 | ||
db6751f2 JJ |
479 | enum elf_reloc_type_class { |
480 | reloc_class_normal, | |
481 | reloc_class_relative, | |
482 | reloc_class_plt, | |
483 | reloc_class_copy | |
484 | }; | |
485 | ||
73d074b4 DJ |
486 | struct elf_reloc_cookie |
487 | { | |
488 | Elf_Internal_Rela *rels, *rel, *relend; | |
6cdc0ccc | 489 | Elf_Internal_Sym *locsyms; |
73d074b4 DJ |
490 | bfd *abfd; |
491 | size_t locsymcount; | |
492 | size_t extsymoff; | |
493 | struct elf_link_hash_entry **sym_hashes; | |
b34976b6 | 494 | bfd_boolean bad_symtab; |
73d074b4 DJ |
495 | }; |
496 | ||
c6e90b02 TS |
497 | /* The level of IRIX compatibility we're striving for. */ |
498 | ||
499 | typedef enum { | |
500 | ict_none, | |
501 | ict_irix5, | |
502 | ict_irix6 | |
503 | } irix_compat_t; | |
504 | ||
252b5132 RH |
505 | struct elf_backend_data |
506 | { | |
252b5132 RH |
507 | /* The architecture for this backend. */ |
508 | enum bfd_architecture arch; | |
509 | ||
510 | /* The ELF machine code (EM_xxxx) for this backend. */ | |
511 | int elf_machine_code; | |
512 | ||
513 | /* The maximum page size for this backend. */ | |
514 | bfd_vma maxpagesize; | |
515 | ||
252b5132 RH |
516 | /* A function to translate an ELF RELA relocation to a BFD arelent |
517 | structure. */ | |
dc810e39 AM |
518 | void (*elf_info_to_howto) |
519 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
252b5132 RH |
520 | |
521 | /* A function to translate an ELF REL relocation to a BFD arelent | |
522 | structure. */ | |
dc810e39 | 523 | void (*elf_info_to_howto_rel) |
947216bf | 524 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
252b5132 RH |
525 | |
526 | /* A function to determine whether a symbol is global when | |
527 | partitioning the symbol table into local and global symbols. | |
528 | This should be NULL for most targets, in which case the correct | |
529 | thing will be done. MIPS ELF, at least on the Irix 5, has | |
530 | special requirements. */ | |
b34976b6 | 531 | bfd_boolean (*elf_backend_sym_is_global) |
dc810e39 | 532 | PARAMS ((bfd *, asymbol *)); |
252b5132 RH |
533 | |
534 | /* The remaining functions are hooks which are called only if they | |
535 | are not NULL. */ | |
536 | ||
537 | /* A function to permit a backend specific check on whether a | |
538 | particular BFD format is relevant for an object file, and to | |
539 | permit the backend to set any global information it wishes. When | |
540 | this is called elf_elfheader is set, but anything else should be | |
b34976b6 | 541 | used with caution. If this returns FALSE, the check_format |
252b5132 | 542 | routine will return a bfd_error_wrong_format error. */ |
b34976b6 | 543 | bfd_boolean (*elf_backend_object_p) |
dc810e39 | 544 | PARAMS ((bfd *)); |
252b5132 RH |
545 | |
546 | /* A function to do additional symbol processing when reading the | |
547 | ELF symbol table. This is where any processor-specific special | |
548 | section indices are handled. */ | |
dc810e39 AM |
549 | void (*elf_backend_symbol_processing) |
550 | PARAMS ((bfd *, asymbol *)); | |
252b5132 RH |
551 | |
552 | /* A function to do additional symbol processing after reading the | |
553 | entire ELF symbol table. */ | |
b34976b6 | 554 | bfd_boolean (*elf_backend_symbol_table_processing) |
dc810e39 | 555 | PARAMS ((bfd *, elf_symbol_type *, unsigned int)); |
252b5132 RH |
556 | |
557 | /* A function to set the type of the info field. Processor-specific | |
3e932841 | 558 | types should be handled here. */ |
dc810e39 AM |
559 | int (*elf_backend_get_symbol_type) |
560 | PARAMS (( Elf_Internal_Sym *, int)); | |
60bcf0fa | 561 | |
252b5132 RH |
562 | /* A function to do additional processing on the ELF section header |
563 | just before writing it out. This is used to set the flags and | |
564 | type fields for some sections, or to actually write out data for | |
565 | unusual sections. */ | |
b34976b6 | 566 | bfd_boolean (*elf_backend_section_processing) |
947216bf | 567 | PARAMS ((bfd *, Elf_Internal_Shdr *)); |
252b5132 RH |
568 | |
569 | /* A function to handle unusual section types when creating BFD | |
570 | sections from ELF sections. */ | |
b34976b6 | 571 | bfd_boolean (*elf_backend_section_from_shdr) |
947216bf | 572 | PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); |
252b5132 | 573 | |
fa152c49 JW |
574 | /* A function to convert machine dependent section header flags to |
575 | BFD internal section header flags. */ | |
b34976b6 | 576 | bfd_boolean (*elf_backend_section_flags) |
947216bf | 577 | PARAMS ((flagword *, Elf_Internal_Shdr *)); |
fa152c49 | 578 | |
20cfcaae | 579 | /* A function to handle unusual program segment types when creating BFD |
3e932841 | 580 | sections from ELF program segments. */ |
b34976b6 | 581 | bfd_boolean (*elf_backend_section_from_phdr) |
947216bf | 582 | PARAMS ((bfd *, Elf_Internal_Phdr *, int)); |
20cfcaae | 583 | |
252b5132 RH |
584 | /* A function to set up the ELF section header for a BFD section in |
585 | preparation for writing it out. This is where the flags and type | |
586 | fields are set for unusual sections. */ | |
b34976b6 | 587 | bfd_boolean (*elf_backend_fake_sections) |
947216bf | 588 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); |
252b5132 RH |
589 | |
590 | /* A function to get the ELF section index for a BFD section. If | |
b34976b6 | 591 | this returns TRUE, the section was found. If it is a normal ELF |
252b5132 RH |
592 | section, *RETVAL should be left unchanged. If it is not a normal |
593 | ELF section *RETVAL should be set to the SHN_xxxx index. */ | |
b34976b6 | 594 | bfd_boolean (*elf_backend_section_from_bfd_section) |
af746e92 | 595 | PARAMS ((bfd *, asection *, int *retval)); |
252b5132 RH |
596 | |
597 | /* If this field is not NULL, it is called by the add_symbols phase | |
598 | of a link just before adding a symbol to the global linker hash | |
599 | table. It may modify any of the fields as it wishes. If *NAME | |
600 | is set to NULL, the symbol will be skipped rather than being | |
601 | added to the hash table. This function is responsible for | |
602 | handling all processor dependent symbol bindings and section | |
603 | indices, and must set at least *FLAGS and *SEC for each processor | |
604 | dependent case; failure to do so will cause a link error. */ | |
b34976b6 | 605 | bfd_boolean (*elf_add_symbol_hook) |
252b5132 RH |
606 | PARAMS ((bfd *abfd, struct bfd_link_info *info, |
607 | const Elf_Internal_Sym *, const char **name, | |
608 | flagword *flags, asection **sec, bfd_vma *value)); | |
609 | ||
610 | /* If this field is not NULL, it is called by the elf_link_output_sym | |
611 | phase of a link for each symbol which will appear in the object file. */ | |
b34976b6 | 612 | bfd_boolean (*elf_backend_link_output_symbol_hook) |
252b5132 RH |
613 | PARAMS ((bfd *, struct bfd_link_info *info, const char *, |
614 | Elf_Internal_Sym *, asection *)); | |
615 | ||
616 | /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend | |
617 | linker the first time it encounters a dynamic object in the link. | |
618 | This function must create any sections required for dynamic | |
619 | linking. The ABFD argument is a dynamic object. The .interp, | |
620 | .dynamic, .dynsym, .dynstr, and .hash functions have already been | |
621 | created, and this function may modify the section flags if | |
622 | desired. This function will normally create the .got and .plt | |
623 | sections, but different backends have different requirements. */ | |
b34976b6 | 624 | bfd_boolean (*elf_backend_create_dynamic_sections) |
252b5132 RH |
625 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); |
626 | ||
627 | /* The CHECK_RELOCS function is called by the add_symbols phase of | |
628 | the ELF backend linker. It is called once for each section with | |
629 | relocs of an object file, just after the symbols for the object | |
630 | file have been added to the global linker hash table. The | |
631 | function must look through the relocs and do any special handling | |
632 | required. This generally means allocating space in the global | |
633 | offset table, and perhaps allocating space for a reloc. The | |
634 | relocs are always passed as Rela structures; if the section | |
635 | actually uses Rel structures, the r_addend field will always be | |
636 | zero. */ | |
b34976b6 | 637 | bfd_boolean (*check_relocs) |
252b5132 RH |
638 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, |
639 | const Elf_Internal_Rela *relocs)); | |
640 | ||
641 | /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend | |
642 | linker for every symbol which is defined by a dynamic object and | |
643 | referenced by a regular object. This is called after all the | |
644 | input files have been seen, but before the SIZE_DYNAMIC_SECTIONS | |
645 | function has been called. The hash table entry should be | |
646 | bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be | |
647 | defined in a section from a dynamic object. Dynamic object | |
648 | sections are not included in the final link, and this function is | |
649 | responsible for changing the value to something which the rest of | |
650 | the link can deal with. This will normally involve adding an | |
651 | entry to the .plt or .got or some such section, and setting the | |
652 | symbol to point to that. */ | |
b34976b6 | 653 | bfd_boolean (*elf_backend_adjust_dynamic_symbol) |
252b5132 RH |
654 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); |
655 | ||
656 | /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker | |
657 | after all the linker input files have been seen but before the | |
658 | section sizes have been set. This is called after | |
659 | ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */ | |
b34976b6 | 660 | bfd_boolean (*elf_backend_always_size_sections) |
252b5132 RH |
661 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); |
662 | ||
663 | /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend | |
664 | linker after all the linker input files have been seen but before | |
665 | the sections sizes have been set. This is called after | |
666 | ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols. | |
667 | It is only called when linking against a dynamic object. It must | |
668 | set the sizes of the dynamic sections, and may fill in their | |
669 | contents as well. The generic ELF linker can handle the .dynsym, | |
670 | .dynstr and .hash sections. This function must handle the | |
671 | .interp section and any sections created by the | |
672 | CREATE_DYNAMIC_SECTIONS entry point. */ | |
b34976b6 | 673 | bfd_boolean (*elf_backend_size_dynamic_sections) |
252b5132 RH |
674 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); |
675 | ||
676 | /* The RELOCATE_SECTION function is called by the ELF backend linker | |
677 | to handle the relocations for a section. | |
678 | ||
679 | The relocs are always passed as Rela structures; if the section | |
680 | actually uses Rel structures, the r_addend field will always be | |
681 | zero. | |
682 | ||
683 | This function is responsible for adjust the section contents as | |
684 | necessary, and (if using Rela relocs and generating a | |
685 | relocateable output file) adjusting the reloc addend as | |
686 | necessary. | |
687 | ||
688 | This function does not have to worry about setting the reloc | |
689 | address or the reloc symbol index. | |
690 | ||
691 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
692 | ||
693 | LOCAL_SECTIONS is an array giving the section in the input file | |
694 | corresponding to the st_shndx field of each local symbol. | |
695 | ||
696 | The global hash table entry for the global symbols can be found | |
697 | via elf_sym_hashes (input_bfd). | |
698 | ||
699 | When generating relocateable output, this function must handle | |
700 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
701 | going to be the section symbol corresponding to the output | |
702 | section, which means that the addend must be adjusted | |
703 | accordingly. */ | |
b34976b6 | 704 | bfd_boolean (*elf_backend_relocate_section) |
252b5132 RH |
705 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, |
706 | bfd *input_bfd, asection *input_section, bfd_byte *contents, | |
707 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
708 | asection **local_sections)); | |
709 | ||
710 | /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend | |
711 | linker just before it writes a symbol out to the .dynsym section. | |
712 | The processor backend may make any required adjustment to the | |
713 | symbol. It may also take the opportunity to set contents of the | |
714 | dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on | |
715 | all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called | |
716 | on those symbols which are defined by a dynamic object. */ | |
b34976b6 | 717 | bfd_boolean (*elf_backend_finish_dynamic_symbol) |
252b5132 RH |
718 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, |
719 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
720 | ||
721 | /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend | |
722 | linker just before it writes all the dynamic sections out to the | |
723 | output file. The FINISH_DYNAMIC_SYMBOL will have been called on | |
724 | all dynamic symbols. */ | |
b34976b6 | 725 | bfd_boolean (*elf_backend_finish_dynamic_sections) |
252b5132 RH |
726 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); |
727 | ||
728 | /* A function to do any beginning processing needed for the ELF file | |
729 | before building the ELF headers and computing file positions. */ | |
730 | void (*elf_backend_begin_write_processing) | |
731 | PARAMS ((bfd *, struct bfd_link_info *)); | |
732 | ||
733 | /* A function to do any final processing needed for the ELF file | |
b34976b6 | 734 | before writing it out. The LINKER argument is TRUE if this BFD |
252b5132 RH |
735 | was created by the ELF backend linker. */ |
736 | void (*elf_backend_final_write_processing) | |
b34976b6 | 737 | PARAMS ((bfd *, bfd_boolean linker)); |
252b5132 RH |
738 | |
739 | /* This function is called by get_program_header_size. It should | |
740 | return the number of additional program segments which this BFD | |
741 | will need. It should return -1 on error. */ | |
dc810e39 AM |
742 | int (*elf_backend_additional_program_headers) |
743 | PARAMS ((bfd *)); | |
252b5132 RH |
744 | |
745 | /* This function is called to modify an existing segment map in a | |
746 | backend specific fashion. */ | |
b34976b6 | 747 | bfd_boolean (*elf_backend_modify_segment_map) |
dc810e39 | 748 | PARAMS ((bfd *)); |
252b5132 RH |
749 | |
750 | /* This function is called during section gc to discover the section a | |
1e2f5b6e | 751 | particular relocation refers to. */ |
252b5132 | 752 | asection * (*gc_mark_hook) |
1e2f5b6e | 753 | PARAMS ((asection *sec, struct bfd_link_info *, Elf_Internal_Rela *, |
252b5132 RH |
754 | struct elf_link_hash_entry *h, Elf_Internal_Sym *)); |
755 | ||
756 | /* This function, if defined, is called during the sweep phase of gc | |
757 | in order that a backend might update any data structures it might | |
758 | be maintaining. */ | |
b34976b6 | 759 | bfd_boolean (*gc_sweep_hook) |
252b5132 RH |
760 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, |
761 | const Elf_Internal_Rela *relocs)); | |
762 | ||
e6c51ed4 NC |
763 | /* This function, if defined, is called after the ELF headers have |
764 | been created. This allows for things like the OS and ABI versions | |
765 | to be changed. */ | |
766 | void (*elf_backend_post_process_headers) | |
767 | PARAMS ((bfd *, struct bfd_link_info *)); | |
768 | ||
587ff49e RH |
769 | /* This function, if defined, prints a symbol to file and returns the |
770 | name of the symbol to be printed. It should return NULL to fall | |
771 | back to default symbol printing. */ | |
772 | const char *(*elf_backend_print_symbol_all) | |
773 | PARAMS ((bfd *, PTR, asymbol *)); | |
774 | ||
775 | /* This function, if defined, is called after all local symbols and | |
776 | global symbols converted to locals are emited into the symtab | |
777 | section. It allows the backend to emit special global symbols | |
778 | not handled in the hash table. */ | |
b34976b6 | 779 | bfd_boolean (*elf_backend_output_arch_syms) |
587ff49e | 780 | PARAMS ((bfd *, struct bfd_link_info *, PTR, |
b34976b6 | 781 | bfd_boolean (*) (PTR, const char *, Elf_Internal_Sym *, asection *))); |
587ff49e | 782 | |
d4c88bbb | 783 | /* Copy any information related to dynamic linking from a pre-existing |
0a991dfe AM |
784 | symbol to a newly created symbol. Also called to copy flags and |
785 | other back-end info to a weakdef, in which case the symbol is not | |
786 | newly created and plt/got refcounts and dynamic indices should not | |
787 | be copied. */ | |
c61b8717 | 788 | void (*elf_backend_copy_indirect_symbol) |
b48fa14c AM |
789 | PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, |
790 | struct elf_link_hash_entry *)); | |
c61b8717 RH |
791 | |
792 | /* Modify any information related to dynamic linking such that the | |
793 | symbol is not exported. */ | |
794 | void (*elf_backend_hide_symbol) | |
b34976b6 | 795 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean)); |
c61b8717 | 796 | |
9317eacc CM |
797 | /* Emit relocations. Overrides default routine for emitting relocs, |
798 | except during a relocatable link, or if all relocs are being emitted. */ | |
b34976b6 | 799 | bfd_boolean (*elf_backend_emit_relocs) |
9317eacc CM |
800 | PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *)); |
801 | ||
802 | /* Count relocations. Not called for relocatable links | |
803 | or if all relocs are being preserved in the output. */ | |
804 | unsigned int (*elf_backend_count_relocs) | |
805 | PARAMS ((asection *, Elf_Internal_Rela *)); | |
806 | ||
bb0082d6 AM |
807 | /* This function, if defined, is called when an NT_PRSTATUS note is found |
808 | in a core file. */ | |
b34976b6 | 809 | bfd_boolean (*elf_backend_grok_prstatus) |
dc810e39 | 810 | PARAMS ((bfd *, Elf_Internal_Note *)); |
bb0082d6 AM |
811 | |
812 | /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO | |
813 | note is found in a core file. */ | |
b34976b6 | 814 | bfd_boolean (*elf_backend_grok_psinfo) |
dc810e39 | 815 | PARAMS ((bfd *, Elf_Internal_Note *)); |
bb0082d6 | 816 | |
db6751f2 | 817 | /* Functions to print VMAs. Special code to handle 64 bit ELF files. */ |
dc810e39 AM |
818 | void (* elf_backend_sprintf_vma) |
819 | PARAMS ((bfd *, char *, bfd_vma)); | |
820 | void (* elf_backend_fprintf_vma) | |
821 | PARAMS ((bfd *, PTR, bfd_vma)); | |
4e771d61 | 822 | |
db6751f2 | 823 | /* This function returns class of a reloc type. */ |
f51e552e AM |
824 | enum elf_reloc_type_class (*elf_backend_reloc_type_class) |
825 | PARAMS ((const Elf_Internal_Rela *)); | |
db6751f2 | 826 | |
73d074b4 DJ |
827 | /* This function, if defined, removes information about discarded functions |
828 | from other sections which mention them. */ | |
b34976b6 | 829 | bfd_boolean (*elf_backend_discard_info) |
73d074b4 DJ |
830 | PARAMS ((bfd *, struct elf_reloc_cookie *, struct bfd_link_info *)); |
831 | ||
832 | /* This function, if defined, signals that the function above has removed | |
833 | the discarded relocations for this section. */ | |
b34976b6 | 834 | bfd_boolean (*elf_backend_ignore_discarded_relocs) |
73d074b4 DJ |
835 | PARAMS ((asection *)); |
836 | ||
837 | /* This function, if defined, may write out the given section. | |
b34976b6 AM |
838 | Returns TRUE if it did so and FALSE if the caller should. */ |
839 | bfd_boolean (*elf_backend_write_section) | |
73d074b4 DJ |
840 | PARAMS ((bfd *, asection *, bfd_byte *)); |
841 | ||
c6e90b02 TS |
842 | /* The level of IRIX compatibility we're striving for. |
843 | MIPS ELF specific function. */ | |
844 | irix_compat_t (*elf_backend_mips_irix_compat) | |
845 | PARAMS ((bfd *)); | |
846 | ||
847 | reloc_howto_type *(*elf_backend_mips_rtype_to_howto) | |
b34976b6 | 848 | PARAMS ((unsigned int, bfd_boolean)); |
c6e90b02 | 849 | |
252b5132 RH |
850 | /* The swapping table to use when dealing with ECOFF information. |
851 | Used for the MIPS ELF .mdebug section. */ | |
852 | const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap; | |
853 | ||
854 | /* Alternate EM_xxxx machine codes for this backend. */ | |
855 | int elf_machine_alt1; | |
856 | int elf_machine_alt2; | |
857 | ||
858 | const struct elf_size_info *s; | |
859 | ||
860 | /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the | |
861 | .got section */ | |
862 | bfd_vma got_symbol_offset; | |
863 | ||
864 | /* The size in bytes of the headers for the GOT and PLT. This includes | |
865 | the so-called reserved entries on some systems. */ | |
866 | bfd_vma got_header_size; | |
867 | bfd_vma plt_header_size; | |
868 | ||
b34976b6 AM |
869 | /* This is TRUE if the linker should act like collect and gather |
870 | global constructors and destructors by name. This is TRUE for | |
86dc0f79 RH |
871 | MIPS ELF because the Irix 5 tools can not handle the .init |
872 | section. */ | |
873 | unsigned collect : 1; | |
874 | ||
b34976b6 AM |
875 | /* This is TRUE if the linker should ignore changes to the type of a |
876 | symbol. This is TRUE for MIPS ELF because some Irix 5 objects | |
86dc0f79 RH |
877 | record undefined functions as STT_OBJECT although the definitions |
878 | are STT_FUNC. */ | |
879 | unsigned type_change_ok : 1; | |
880 | ||
bf572ba0 MM |
881 | /* Whether the backend may use REL relocations. (Some backends use |
882 | both REL and RELA relocations, and this flag is set for those | |
883 | backends.) */ | |
884 | unsigned may_use_rel_p : 1; | |
60bcf0fa | 885 | |
bf572ba0 MM |
886 | /* Whether the backend may use RELA relocations. (Some backends use |
887 | both REL and RELA relocations, and this flag is set for those | |
888 | backends.) */ | |
889 | unsigned may_use_rela_p : 1; | |
890 | ||
891 | /* Whether the default relocation type is RELA. If a backend with | |
892 | this flag set wants REL relocations for a particular section, | |
893 | it must note that explicitly. Similarly, if this flag is clear, | |
60bcf0fa NC |
894 | and the backend wants RELA relocations for a particular |
895 | section. */ | |
bf572ba0 MM |
896 | unsigned default_use_rela_p : 1; |
897 | ||
b491616a AM |
898 | /* Set if RELA relocations for a relocatable link can be handled by |
899 | generic code. Backends that set this flag need do nothing in the | |
900 | backend relocate_section routine for relocatable linking. */ | |
901 | unsigned rela_normal : 1; | |
902 | ||
b34976b6 | 903 | /* TRUE if addresses "naturally" sign extend. This is used when |
86dc0f79 RH |
904 | swapping in from Elf32 when BFD64. */ |
905 | unsigned sign_extend_vma : 1; | |
906 | ||
252b5132 RH |
907 | unsigned want_got_plt : 1; |
908 | unsigned plt_readonly : 1; | |
909 | unsigned want_plt_sym : 1; | |
910 | unsigned plt_not_loaded : 1; | |
911 | unsigned plt_alignment : 4; | |
912 | unsigned can_gc_sections : 1; | |
51b64d56 | 913 | unsigned can_refcount : 1; |
2517a57f | 914 | unsigned want_got_sym : 1; |
3018b441 | 915 | unsigned want_dynbss : 1; |
5e8d7549 NC |
916 | /* Targets which do not support physical addressing often require |
917 | that the p_paddr field in the section header to be set to zero. | |
918 | This field indicates whether this behavior is required. */ | |
919 | unsigned want_p_paddr_set_to_zero : 1; | |
252b5132 RH |
920 | }; |
921 | ||
922 | /* Information stored for each BFD section in an ELF file. This | |
923 | structure is allocated by elf_new_section_hook. */ | |
924 | ||
925 | struct bfd_elf_section_data | |
926 | { | |
927 | /* The ELF header for this section. */ | |
928 | Elf_Internal_Shdr this_hdr; | |
0c715baa | 929 | |
252b5132 RH |
930 | /* The ELF header for the reloc section associated with this |
931 | section, if any. */ | |
932 | Elf_Internal_Shdr rel_hdr; | |
0c715baa | 933 | |
252b5132 RH |
934 | /* If there is a second reloc section associated with this section, |
935 | as can happen on Irix 6, this field points to the header. */ | |
936 | Elf_Internal_Shdr *rel_hdr2; | |
0c715baa | 937 | |
23bc299b MM |
938 | /* The number of relocations currently assigned to REL_HDR. */ |
939 | unsigned int rel_count; | |
0c715baa | 940 | |
23bc299b MM |
941 | /* The number of relocations currently assigned to REL_HDR2. */ |
942 | unsigned int rel_count2; | |
0c715baa | 943 | |
ec338859 AM |
944 | /* A pointer to a linked list tracking dynamic relocs copied for |
945 | local symbols. */ | |
946 | PTR local_dynrel; | |
0c715baa AM |
947 | |
948 | /* A pointer to the bfd section used for dynamic relocs. */ | |
949 | asection *sreloc; | |
950 | ||
252b5132 RH |
951 | /* The ELF section number of this section. Only used for an output |
952 | file. */ | |
953 | int this_idx; | |
0c715baa | 954 | |
23bc299b MM |
955 | /* The ELF section number of the reloc section indicated by |
956 | REL_HDR if any. Only used for an output file. */ | |
252b5132 | 957 | int rel_idx; |
0c715baa | 958 | |
23bc299b MM |
959 | /* The ELF section number of the reloc section indicated by |
960 | REL_HDR2 if any. Only used for an output file. */ | |
961 | int rel_idx2; | |
0c715baa | 962 | |
252b5132 RH |
963 | /* Used by the backend linker to store the symbol hash table entries |
964 | associated with relocs against global symbols. */ | |
965 | struct elf_link_hash_entry **rel_hashes; | |
0c715baa | 966 | |
252b5132 RH |
967 | /* A pointer to the swapped relocs. If the section uses REL relocs, |
968 | rather than RELA, all the r_addend fields will be zero. This | |
969 | pointer may be NULL. It is used by the backend linker. */ | |
970 | Elf_Internal_Rela *relocs; | |
0c715baa | 971 | |
252b5132 RH |
972 | /* Used by the backend linker when generating a shared library to |
973 | record the dynamic symbol index for a section symbol | |
75945f9f ILT |
974 | corresponding to this section. A value of 0 means that there is |
975 | no dynamic symbol for this section. */ | |
252b5132 | 976 | long dynindx; |
0c715baa | 977 | |
65765700 JJ |
978 | /* A pointer used for various section optimizations. */ |
979 | PTR sec_info; | |
0c715baa | 980 | |
65765700 JJ |
981 | /* Type of that information. */ |
982 | enum elf_link_info_type sec_info_type; | |
0c715baa | 983 | |
1126897b AM |
984 | union { |
985 | /* Group name, if this section is a member of a group. */ | |
986 | const char *name; | |
987 | ||
988 | /* Group signature sym, if this is the SHT_GROUP section. */ | |
989 | struct symbol_cache_entry *id; | |
990 | } group; | |
dbb410c3 AM |
991 | |
992 | /* A linked list of sections in the group. Circular when used by | |
993 | the linker. */ | |
994 | asection *next_in_group; | |
995 | ||
252b5132 RH |
996 | /* A pointer available for the processor specific ELF backend. */ |
997 | PTR tdata; | |
0c715baa | 998 | |
bf572ba0 MM |
999 | /* Nonzero if this section uses RELA relocations, rather than REL. */ |
1000 | unsigned int use_rela_p:1; | |
b885599b AM |
1001 | |
1002 | /* Nonzero when a group is COMDAT. */ | |
1003 | unsigned int linkonce_p:1; | |
252b5132 RH |
1004 | }; |
1005 | ||
1006 | #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) | |
1126897b AM |
1007 | #define elf_group_name(sec) (elf_section_data(sec)->group.name) |
1008 | #define elf_group_id(sec) (elf_section_data(sec)->group.id) | |
945906ff | 1009 | #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group) |
b885599b | 1010 | #define elf_linkonce_p(sec) (elf_section_data(sec)->linkonce_p) |
252b5132 | 1011 | |
b34976b6 | 1012 | /* Return TRUE if section has been discarded. */ |
ed4de5e2 JJ |
1013 | #define elf_discarded_section(sec) \ |
1014 | (!bfd_is_abs_section(sec) \ | |
1015 | && bfd_is_abs_section((sec)->output_section) \ | |
2d653fc7 AM |
1016 | && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \ |
1017 | && elf_section_data (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS) | |
ed4de5e2 | 1018 | |
252b5132 RH |
1019 | #define get_elf_backend_data(abfd) \ |
1020 | ((struct elf_backend_data *) (abfd)->xvec->backend_data) | |
1021 | ||
1022 | /* Enumeration to specify the special section. */ | |
1023 | typedef enum elf_linker_section_enum | |
1024 | { | |
1025 | LINKER_SECTION_UNKNOWN, /* not used */ | |
1026 | LINKER_SECTION_GOT, /* .got section for global offset pointers */ | |
1027 | LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */ | |
1028 | LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */ | |
1029 | LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */ | |
1030 | LINKER_SECTION_MAX /* # of linker sections */ | |
1031 | } elf_linker_section_enum_t; | |
1032 | ||
1033 | /* Sections created by the linker. */ | |
1034 | ||
1035 | typedef struct elf_linker_section | |
1036 | { | |
1037 | char *name; /* name of the section */ | |
1038 | char *rel_name; /* name of the associated .rel{,a}. section */ | |
1039 | char *bss_name; /* name of a related .bss section */ | |
1040 | char *sym_name; /* name of symbol to reference this section */ | |
1041 | asection *section; /* pointer to the section */ | |
1042 | asection *bss_section; /* pointer to the bss section associated with this */ | |
1043 | asection *rel_section; /* pointer to the relocations needed for this section */ | |
1044 | struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */ | |
1045 | bfd_vma initial_size; /* initial size before any linker generated allocations */ | |
1046 | bfd_vma sym_offset; /* offset of symbol from beginning of section */ | |
1047 | bfd_vma hole_size; /* size of reserved address hole in allocation */ | |
1048 | bfd_vma hole_offset; /* current offset for the hole */ | |
1049 | bfd_vma max_hole_offset; /* maximum offset for the hole */ | |
1050 | elf_linker_section_enum_t which; /* which section this is */ | |
b34976b6 | 1051 | bfd_boolean hole_written_p; /* whether the hole has been initialized */ |
252b5132 RH |
1052 | unsigned int alignment; /* alignment for the section */ |
1053 | flagword flags; /* flags to use to create the section */ | |
1054 | } elf_linker_section_t; | |
1055 | ||
1056 | /* Linked list of allocated pointer entries. This hangs off of the symbol lists, and | |
1057 | provides allows us to return different pointers, based on different addend's. */ | |
1058 | ||
1059 | typedef struct elf_linker_section_pointers | |
1060 | { | |
1061 | struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */ | |
1062 | bfd_vma offset; /* offset of pointer from beginning of section */ | |
dc810e39 | 1063 | bfd_vma addend; /* addend used */ |
252b5132 | 1064 | elf_linker_section_enum_t which; /* which linker section this is */ |
b34976b6 | 1065 | bfd_boolean written_address_p; /* whether address was written yet */ |
252b5132 RH |
1066 | } elf_linker_section_pointers_t; |
1067 | ||
1068 | /* Some private data is stashed away for future use using the tdata pointer | |
1069 | in the bfd structure. */ | |
1070 | ||
1071 | struct elf_obj_tdata | |
1072 | { | |
1073 | Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */ | |
1074 | Elf_Internal_Shdr **elf_sect_ptr; | |
1075 | Elf_Internal_Phdr *phdr; | |
1076 | struct elf_segment_map *segment_map; | |
2b0f7ef9 | 1077 | struct elf_strtab_hash *strtab_ptr; |
252b5132 RH |
1078 | int num_locals; |
1079 | int num_globals; | |
9ad5cbcf | 1080 | unsigned int num_elf_sections; /* elf_sect_ptr size */ |
4e89ac30 | 1081 | int num_section_syms; |
252b5132 RH |
1082 | asymbol **section_syms; /* STT_SECTION symbols for each section */ |
1083 | Elf_Internal_Shdr symtab_hdr; | |
1084 | Elf_Internal_Shdr shstrtab_hdr; | |
1085 | Elf_Internal_Shdr strtab_hdr; | |
1086 | Elf_Internal_Shdr dynsymtab_hdr; | |
1087 | Elf_Internal_Shdr dynstrtab_hdr; | |
1088 | Elf_Internal_Shdr dynversym_hdr; | |
1089 | Elf_Internal_Shdr dynverref_hdr; | |
1090 | Elf_Internal_Shdr dynverdef_hdr; | |
9ad5cbcf | 1091 | Elf_Internal_Shdr symtab_shndx_hdr; |
252b5132 RH |
1092 | unsigned int symtab_section, shstrtab_section; |
1093 | unsigned int strtab_section, dynsymtab_section; | |
9ad5cbcf | 1094 | unsigned int symtab_shndx_section; |
252b5132 RH |
1095 | unsigned int dynversym_section, dynverdef_section, dynverref_section; |
1096 | file_ptr next_file_pos; | |
1097 | #if 0 | |
1098 | /* we don't need these inside bfd anymore, and I think | |
3e932841 | 1099 | these weren't used outside bfd. */ |
252b5132 RH |
1100 | void *prstatus; /* The raw /proc prstatus structure */ |
1101 | void *prpsinfo; /* The raw /proc prpsinfo structure */ | |
1102 | #endif | |
dbb410c3 AM |
1103 | bfd_vma gp; /* The gp value */ |
1104 | unsigned int gp_size; /* The gp size */ | |
1105 | ||
1106 | Elf_Internal_Shdr **group_sect_ptr; | |
1107 | int num_group; | |
252b5132 | 1108 | |
3e932841 | 1109 | /* Information grabbed from an elf core file. */ |
252b5132 RH |
1110 | int core_signal; |
1111 | int core_pid; | |
1112 | int core_lwpid; | |
1113 | char* core_program; | |
1114 | char* core_command; | |
1115 | ||
b34976b6 | 1116 | /* This is set to TRUE if the object was created by the backend |
252b5132 | 1117 | linker. */ |
b34976b6 | 1118 | bfd_boolean linker; |
252b5132 RH |
1119 | |
1120 | /* A mapping from external symbols to entries in the linker hash | |
1121 | table, used when linking. This is indexed by the symbol index | |
1122 | minus the sh_info field of the symbol table header. */ | |
1123 | struct elf_link_hash_entry **sym_hashes; | |
1124 | ||
1125 | /* A mapping from local symbols to offsets into the global offset | |
1126 | table, used when linking. This is indexed by the symbol index. | |
1127 | Like for the globals, we use a union and two names primarily to | |
1128 | document the intent of any particular piece of code. The field | |
1129 | should be used as a count until size_dynamic_sections, at which | |
1130 | point the contents of the .got is fixed. Afterward, if an entry | |
3e932841 | 1131 | is -1, then the symbol does not require a global offset table entry. */ |
252b5132 RH |
1132 | union |
1133 | { | |
1134 | bfd_signed_vma *refcounts; | |
1135 | bfd_vma *offsets; | |
1136 | } local_got; | |
1137 | ||
1138 | /* A mapping from local symbols to offsets into the various linker | |
1139 | sections added. This is index by the symbol index. */ | |
1140 | elf_linker_section_pointers_t **linker_section_pointers; | |
1141 | ||
1142 | /* The linker ELF emulation code needs to let the backend ELF linker | |
1143 | know what filename should be used for a dynamic object if the | |
1144 | dynamic object is found using a search. The emulation code then | |
1145 | sometimes needs to know what name was actually used. Until the | |
1146 | file has been added to the linker symbol table, this field holds | |
1147 | the name the linker wants. After it has been added, it holds the | |
1148 | name actually used, which will be the DT_SONAME entry if there is | |
1149 | one. */ | |
1150 | const char *dt_name; | |
1151 | ||
74816898 L |
1152 | /* When a reference in a regular object is resolved by a shared |
1153 | object is loaded into via the DT_NEEDED entries by the linker | |
1154 | ELF emulation code, we need to add the shared object to the | |
1155 | DT_NEEDED list of the resulting binary to indicate the dependency | |
1156 | as if the -l option is passed to the linker. This field holds the | |
3e932841 | 1157 | name of the loaded shared object. */ |
74816898 L |
1158 | const char *dt_soname; |
1159 | ||
252b5132 RH |
1160 | /* Irix 5 often screws up the symbol table, sorting local symbols |
1161 | after global symbols. This flag is set if the symbol table in | |
1162 | this BFD appears to be screwed up. If it is, we ignore the | |
1163 | sh_info field in the symbol table header, and always read all the | |
1164 | symbols. */ | |
b34976b6 | 1165 | bfd_boolean bad_symtab; |
252b5132 RH |
1166 | |
1167 | /* Records the result of `get_program_header_size'. */ | |
1168 | bfd_size_type program_header_size; | |
1169 | ||
1170 | /* Used by find_nearest_line entry point. */ | |
1171 | PTR line_info; | |
1172 | ||
1173 | /* Used by MIPS ELF find_nearest_line entry point. The structure | |
1174 | could be included directly in this one, but there's no point to | |
1175 | wasting the memory just for the infrequently called | |
1176 | find_nearest_line. */ | |
1177 | struct mips_elf_find_line *find_line_info; | |
1178 | ||
3e932841 | 1179 | /* A place to stash dwarf1 info for this bfd. */ |
252b5132 RH |
1180 | struct dwarf1_debug *dwarf1_find_line_info; |
1181 | ||
3e932841 | 1182 | /* A place to stash dwarf2 info for this bfd. */ |
51db3708 | 1183 | PTR dwarf2_find_line_info; |
252b5132 RH |
1184 | |
1185 | /* An array of stub sections indexed by symbol number, used by the | |
1186 | MIPS ELF linker. FIXME: We should figure out some way to only | |
1187 | include this field for a MIPS ELF target. */ | |
1188 | asection **local_stubs; | |
1189 | ||
65765700 JJ |
1190 | /* Used to determine if PT_GNU_EH_FRAME segment header should be |
1191 | created. */ | |
126495ed AM |
1192 | asection *eh_frame_hdr; |
1193 | ||
1194 | /* Used to determine if the e_flags field has been initialized */ | |
b34976b6 | 1195 | bfd_boolean flags_init; |
65765700 | 1196 | |
252b5132 RH |
1197 | /* Number of symbol version definitions we are about to emit. */ |
1198 | unsigned int cverdefs; | |
1199 | ||
1200 | /* Number of symbol version references we are about to emit. */ | |
1201 | unsigned int cverrefs; | |
1202 | ||
1203 | /* Symbol version definitions in external objects. */ | |
1204 | Elf_Internal_Verdef *verdef; | |
1205 | ||
1206 | /* Symbol version references to external objects. */ | |
1207 | Elf_Internal_Verneed *verref; | |
1208 | ||
1209 | /* Linker sections that we are interested in. */ | |
1210 | struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ]; | |
b305ef96 UC |
1211 | |
1212 | /* The Irix 5 support uses two virtual sections, which represent | |
1213 | text/data symbols defined in dynamic objects. */ | |
1214 | asymbol *elf_data_symbol; | |
1215 | asymbol *elf_text_symbol; | |
1216 | asection *elf_data_section; | |
1217 | asection *elf_text_section; | |
252b5132 RH |
1218 | }; |
1219 | ||
1220 | #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) | |
1221 | #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header) | |
1222 | #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) | |
9ad5cbcf | 1223 | #define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections) |
252b5132 RH |
1224 | #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr) |
1225 | #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) | |
9ad5cbcf | 1226 | #define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section) |
252b5132 RH |
1227 | #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section) |
1228 | #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section) | |
1229 | #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section) | |
1230 | #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section) | |
1231 | #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals) | |
1232 | #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals) | |
1233 | #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms) | |
4e89ac30 | 1234 | #define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms) |
252b5132 RH |
1235 | #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo) |
1236 | #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus) | |
1237 | #define elf_gp(bfd) (elf_tdata(bfd) -> gp) | |
1238 | #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size) | |
1239 | #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) | |
1240 | #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts) | |
1241 | #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets) | |
1242 | #define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers) | |
1243 | #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name) | |
74816898 | 1244 | #define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname) |
252b5132 RH |
1245 | #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab) |
1246 | #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init) | |
1247 | #define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n]) | |
1248 | \f | |
1249 | extern void _bfd_elf_swap_verdef_in | |
1250 | PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *)); | |
1251 | extern void _bfd_elf_swap_verdef_out | |
1252 | PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *)); | |
1253 | extern void _bfd_elf_swap_verdaux_in | |
1254 | PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *)); | |
1255 | extern void _bfd_elf_swap_verdaux_out | |
1256 | PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *)); | |
1257 | extern void _bfd_elf_swap_verneed_in | |
1258 | PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *)); | |
1259 | extern void _bfd_elf_swap_verneed_out | |
1260 | PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *)); | |
1261 | extern void _bfd_elf_swap_vernaux_in | |
1262 | PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *)); | |
1263 | extern void _bfd_elf_swap_vernaux_out | |
1264 | PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *)); | |
1265 | extern void _bfd_elf_swap_versym_in | |
1266 | PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *)); | |
1267 | extern void _bfd_elf_swap_versym_out | |
1268 | PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *)); | |
1269 | ||
dc810e39 AM |
1270 | extern int _bfd_elf_section_from_bfd_section |
1271 | PARAMS ((bfd *, asection *)); | |
252b5132 RH |
1272 | extern char *bfd_elf_string_from_elf_section |
1273 | PARAMS ((bfd *, unsigned, unsigned)); | |
dc810e39 AM |
1274 | extern char *bfd_elf_get_str_section |
1275 | PARAMS ((bfd *, unsigned)); | |
6cdc0ccc AM |
1276 | extern Elf_Internal_Sym *bfd_elf_get_elf_syms |
1277 | PARAMS ((bfd *, Elf_Internal_Shdr *, size_t, size_t, | |
1278 | Elf_Internal_Sym *, PTR, Elf_External_Sym_Shndx *)); | |
252b5132 | 1279 | |
b34976b6 | 1280 | extern bfd_boolean _bfd_elf_copy_private_bfd_data |
2d502050 | 1281 | PARAMS ((bfd *, bfd *)); |
b34976b6 | 1282 | extern bfd_boolean _bfd_elf_print_private_bfd_data |
dc810e39 AM |
1283 | PARAMS ((bfd *, PTR)); |
1284 | extern void bfd_elf_print_symbol | |
1285 | PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); | |
1286 | ||
1287 | #define elf_string_from_elf_strtab(abfd, strindex) \ | |
1288 | bfd_elf_string_from_elf_section(abfd, elf_elfheader(abfd)->e_shstrndx, \ | |
1289 | strindex) | |
252b5132 RH |
1290 | |
1291 | #define bfd_elf32_print_symbol bfd_elf_print_symbol | |
1292 | #define bfd_elf64_print_symbol bfd_elf_print_symbol | |
1293 | ||
dc810e39 AM |
1294 | extern void _bfd_elf_sprintf_vma |
1295 | PARAMS ((bfd *, char *, bfd_vma)); | |
1296 | extern void _bfd_elf_fprintf_vma | |
1297 | PARAMS ((bfd *, PTR, bfd_vma)); | |
d69bb69b | 1298 | |
dc810e39 | 1299 | extern enum elf_reloc_type_class _bfd_elf_reloc_type_class |
f51e552e | 1300 | PARAMS ((const Elf_Internal_Rela *)); |
f8df10f4 JJ |
1301 | extern bfd_vma _bfd_elf_rela_local_sym |
1302 | PARAMS ((bfd *, Elf_Internal_Sym *, asection *, Elf_Internal_Rela *)); | |
c629eae0 JJ |
1303 | extern bfd_vma _bfd_elf_rel_local_sym |
1304 | PARAMS ((bfd *, Elf_Internal_Sym *, asection **, bfd_vma)); | |
1305 | extern bfd_vma _bfd_elf_section_offset | |
1306 | PARAMS ((bfd *, struct bfd_link_info *, asection *, bfd_vma)); | |
db6751f2 | 1307 | |
dc810e39 AM |
1308 | extern unsigned long bfd_elf_hash |
1309 | PARAMS ((const char *)); | |
252b5132 | 1310 | |
dc810e39 AM |
1311 | extern bfd_reloc_status_type bfd_elf_generic_reloc |
1312 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
b34976b6 | 1313 | extern bfd_boolean bfd_elf_mkobject |
dc810e39 | 1314 | PARAMS ((bfd *)); |
b34976b6 | 1315 | extern bfd_boolean bfd_elf_mkcorefile |
dc810e39 AM |
1316 | PARAMS ((bfd *)); |
1317 | extern Elf_Internal_Shdr *bfd_elf_find_section | |
1318 | PARAMS ((bfd *, char *)); | |
b34976b6 | 1319 | extern bfd_boolean _bfd_elf_make_section_from_shdr |
dc810e39 | 1320 | PARAMS ((bfd *, Elf_Internal_Shdr *, const char *)); |
b34976b6 | 1321 | extern bfd_boolean _bfd_elf_make_section_from_phdr |
dc810e39 | 1322 | PARAMS ((bfd *, Elf_Internal_Phdr *, int, const char *)); |
252b5132 RH |
1323 | extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc |
1324 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
1325 | extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create | |
1326 | PARAMS ((bfd *)); | |
c61b8717 | 1327 | extern void _bfd_elf_link_hash_copy_indirect |
b48fa14c AM |
1328 | PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, |
1329 | struct elf_link_hash_entry *)); | |
c61b8717 | 1330 | extern void _bfd_elf_link_hash_hide_symbol |
b34976b6 AM |
1331 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean)); |
1332 | extern bfd_boolean _bfd_elf_link_hash_table_init | |
252b5132 RH |
1333 | PARAMS ((struct elf_link_hash_table *, bfd *, |
1334 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
1335 | struct bfd_hash_table *, | |
1336 | const char *))); | |
b34976b6 | 1337 | extern bfd_boolean _bfd_elf_slurp_version_tables |
dc810e39 | 1338 | PARAMS ((bfd *)); |
b34976b6 | 1339 | extern bfd_boolean _bfd_elf_merge_sections |
8550eb6e | 1340 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1341 | extern bfd_boolean bfd_elf_discard_group |
e61463e1 | 1342 | PARAMS ((bfd *, struct sec *)); |
1126897b AM |
1343 | extern void bfd_elf_set_group_contents |
1344 | PARAMS ((bfd *, asection *, PTR)); | |
2d653fc7 AM |
1345 | extern void _bfd_elf_link_just_syms |
1346 | PARAMS ((asection *, struct bfd_link_info *)); | |
b34976b6 | 1347 | extern bfd_boolean _bfd_elf_copy_private_symbol_data |
252b5132 | 1348 | PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); |
b34976b6 | 1349 | extern bfd_boolean _bfd_elf_copy_private_section_data |
252b5132 | 1350 | PARAMS ((bfd *, asection *, bfd *, asection *)); |
b34976b6 | 1351 | extern bfd_boolean _bfd_elf_write_object_contents |
dc810e39 | 1352 | PARAMS ((bfd *)); |
b34976b6 | 1353 | extern bfd_boolean _bfd_elf_write_corefile_contents |
dc810e39 | 1354 | PARAMS ((bfd *)); |
b34976b6 | 1355 | extern bfd_boolean _bfd_elf_set_section_contents |
dc810e39 AM |
1356 | PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type)); |
1357 | extern long _bfd_elf_get_symtab_upper_bound | |
1358 | PARAMS ((bfd *)); | |
1359 | extern long _bfd_elf_get_symtab | |
1360 | PARAMS ((bfd *, asymbol **)); | |
1361 | extern long _bfd_elf_get_dynamic_symtab_upper_bound | |
1362 | PARAMS ((bfd *)); | |
1363 | extern long _bfd_elf_canonicalize_dynamic_symtab | |
1364 | PARAMS ((bfd *, asymbol **)); | |
1365 | extern long _bfd_elf_get_reloc_upper_bound | |
1366 | PARAMS ((bfd *, sec_ptr)); | |
1367 | extern long _bfd_elf_canonicalize_reloc | |
1368 | PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); | |
1369 | extern long _bfd_elf_get_dynamic_reloc_upper_bound | |
1370 | PARAMS ((bfd *)); | |
1371 | extern long _bfd_elf_canonicalize_dynamic_reloc | |
1372 | PARAMS ((bfd *, arelent **, asymbol **)); | |
1373 | extern asymbol *_bfd_elf_make_empty_symbol | |
1374 | PARAMS ((bfd *)); | |
1375 | extern void _bfd_elf_get_symbol_info | |
1376 | PARAMS ((bfd *, asymbol *, symbol_info *)); | |
b34976b6 | 1377 | extern bfd_boolean _bfd_elf_is_local_label_name |
dc810e39 AM |
1378 | PARAMS ((bfd *, const char *)); |
1379 | extern alent *_bfd_elf_get_lineno | |
1380 | PARAMS ((bfd *, asymbol *)); | |
b34976b6 | 1381 | extern bfd_boolean _bfd_elf_set_arch_mach |
dc810e39 | 1382 | PARAMS ((bfd *, enum bfd_architecture, unsigned long)); |
b34976b6 | 1383 | extern bfd_boolean _bfd_elf_find_nearest_line |
dc810e39 AM |
1384 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, |
1385 | const char **, unsigned int *)); | |
252b5132 RH |
1386 | #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols |
1387 | #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
dc810e39 | 1388 | extern int _bfd_elf_sizeof_headers |
b34976b6 AM |
1389 | PARAMS ((bfd *, bfd_boolean)); |
1390 | extern bfd_boolean _bfd_elf_new_section_hook | |
dc810e39 | 1391 | PARAMS ((bfd *, asection *)); |
b34976b6 AM |
1392 | extern bfd_boolean _bfd_elf_init_reloc_shdr |
1393 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean)); | |
252b5132 RH |
1394 | |
1395 | /* If the target doesn't have reloc handling written yet: */ | |
dc810e39 AM |
1396 | extern void _bfd_elf_no_info_to_howto |
1397 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
1398 | ||
b34976b6 | 1399 | extern bfd_boolean bfd_section_from_shdr |
dc810e39 | 1400 | PARAMS ((bfd *, unsigned int shindex)); |
b34976b6 | 1401 | extern bfd_boolean bfd_section_from_phdr |
dc810e39 AM |
1402 | PARAMS ((bfd *, Elf_Internal_Phdr *, int)); |
1403 | ||
1404 | extern int _bfd_elf_symbol_from_bfd_symbol | |
1405 | PARAMS ((bfd *, asymbol **)); | |
1406 | ||
ec338859 AM |
1407 | extern asection *bfd_section_from_r_symndx |
1408 | PARAMS ((bfd *, struct sym_sec_cache *, asection *, unsigned long)); | |
dc810e39 AM |
1409 | extern asection *bfd_section_from_elf_index |
1410 | PARAMS ((bfd *, unsigned int)); | |
b34976b6 | 1411 | extern bfd_boolean _bfd_elf_create_dynamic_sections |
dc810e39 AM |
1412 | PARAMS ((bfd *, struct bfd_link_info *)); |
1413 | extern struct bfd_strtab_hash *_bfd_elf_stringtab_init | |
1414 | PARAMS ((void)); | |
2b0f7ef9 JJ |
1415 | |
1416 | extern struct elf_strtab_hash * _bfd_elf_strtab_init | |
1417 | PARAMS ((void)); | |
1418 | extern void _bfd_elf_strtab_free | |
1419 | PARAMS ((struct elf_strtab_hash *)); | |
1420 | extern bfd_size_type _bfd_elf_strtab_add | |
b34976b6 | 1421 | PARAMS ((struct elf_strtab_hash *, const char *, bfd_boolean)); |
2b0f7ef9 JJ |
1422 | extern void _bfd_elf_strtab_addref |
1423 | PARAMS ((struct elf_strtab_hash *, bfd_size_type)); | |
1424 | extern void _bfd_elf_strtab_delref | |
1425 | PARAMS ((struct elf_strtab_hash *, bfd_size_type)); | |
1426 | extern void _bfd_elf_strtab_clear_all_refs | |
1427 | PARAMS ((struct elf_strtab_hash *)); | |
1428 | extern bfd_size_type _bfd_elf_strtab_size | |
1429 | PARAMS ((struct elf_strtab_hash *)); | |
1430 | extern bfd_size_type _bfd_elf_strtab_offset | |
1431 | PARAMS ((struct elf_strtab_hash *, bfd_size_type)); | |
b34976b6 | 1432 | extern bfd_boolean _bfd_elf_strtab_emit |
2b0f7ef9 JJ |
1433 | PARAMS ((bfd *, struct elf_strtab_hash *)); |
1434 | extern void _bfd_elf_strtab_finalize | |
1435 | PARAMS ((struct elf_strtab_hash *)); | |
1436 | ||
b34976b6 | 1437 | extern bfd_boolean _bfd_elf_discard_section_eh_frame |
126495ed | 1438 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
b34976b6 AM |
1439 | bfd_boolean (*) (bfd_vma, PTR), struct elf_reloc_cookie *)); |
1440 | extern bfd_boolean _bfd_elf_discard_section_eh_frame_hdr | |
126495ed | 1441 | PARAMS ((bfd *, struct bfd_link_info *)); |
65765700 JJ |
1442 | extern bfd_vma _bfd_elf_eh_frame_section_offset |
1443 | PARAMS ((bfd *, asection *, bfd_vma)); | |
b34976b6 | 1444 | extern bfd_boolean _bfd_elf_write_section_eh_frame |
126495ed | 1445 | PARAMS ((bfd *, struct bfd_link_info *, asection *, bfd_byte *)); |
b34976b6 | 1446 | extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr |
126495ed | 1447 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1448 | extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr |
68f69152 | 1449 | PARAMS ((struct bfd_link_info *)); |
65765700 | 1450 | |
b34976b6 | 1451 | extern bfd_boolean _bfd_elf_link_record_dynamic_symbol |
dc810e39 AM |
1452 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
1453 | extern long _bfd_elf_link_lookup_local_dynindx | |
1454 | PARAMS ((struct bfd_link_info *, bfd *, long)); | |
b34976b6 | 1455 | extern bfd_boolean _bfd_elf_compute_section_file_positions |
dc810e39 AM |
1456 | PARAMS ((bfd *, struct bfd_link_info *)); |
1457 | extern void _bfd_elf_assign_file_positions_for_relocs | |
1458 | PARAMS ((bfd *)); | |
1459 | extern file_ptr _bfd_elf_assign_file_position_for_section | |
b34976b6 | 1460 | PARAMS ((Elf_Internal_Shdr *, file_ptr, bfd_boolean)); |
dc810e39 | 1461 | |
b34976b6 | 1462 | extern bfd_boolean _bfd_elf_validate_reloc |
dc810e39 AM |
1463 | PARAMS ((bfd *, arelent *)); |
1464 | ||
b34976b6 | 1465 | extern bfd_boolean _bfd_elf_create_dynamic_sections |
dc810e39 | 1466 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1467 | extern bfd_boolean _bfd_elf_create_got_section |
dc810e39 AM |
1468 | PARAMS ((bfd *, struct bfd_link_info *)); |
1469 | extern unsigned long _bfd_elf_link_renumber_dynsyms | |
1470 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1471 | ||
b34976b6 | 1472 | extern bfd_boolean _bfd_elfcore_make_pseudosection |
dc810e39 AM |
1473 | PARAMS ((bfd *, char *, size_t, ufile_ptr)); |
1474 | extern char *_bfd_elfcore_strndup | |
1475 | PARAMS ((bfd *, char *, size_t)); | |
1476 | ||
1477 | extern elf_linker_section_t *_bfd_elf_create_linker_section | |
1478 | PARAMS ((bfd *, struct bfd_link_info *, enum elf_linker_section_enum, | |
1479 | elf_linker_section_t *)); | |
1480 | ||
1481 | extern elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section | |
1482 | PARAMS ((elf_linker_section_pointers_t *, bfd_vma, | |
1483 | elf_linker_section_enum_t)); | |
1484 | ||
b34976b6 | 1485 | extern bfd_boolean bfd_elf32_create_pointer_linker_section |
dc810e39 | 1486 | PARAMS ((bfd *, struct bfd_link_info *, elf_linker_section_t *, |
947216bf | 1487 | struct elf_link_hash_entry *, const Elf_Internal_Rela *)); |
dc810e39 AM |
1488 | |
1489 | extern bfd_vma bfd_elf32_finish_pointer_linker_section | |
1490 | PARAMS ((bfd *, bfd *, struct bfd_link_info *, elf_linker_section_t *, | |
1491 | struct elf_link_hash_entry *, bfd_vma, | |
947216bf | 1492 | const Elf_Internal_Rela *, int)); |
dc810e39 | 1493 | |
b34976b6 | 1494 | extern bfd_boolean bfd_elf64_create_pointer_linker_section |
dc810e39 | 1495 | PARAMS ((bfd *, struct bfd_link_info *, elf_linker_section_t *, |
947216bf | 1496 | struct elf_link_hash_entry *, const Elf_Internal_Rela *)); |
dc810e39 AM |
1497 | |
1498 | extern bfd_vma bfd_elf64_finish_pointer_linker_section | |
1499 | PARAMS ((bfd *, bfd *, struct bfd_link_info *, elf_linker_section_t *, | |
1500 | struct elf_link_hash_entry *, bfd_vma, | |
947216bf | 1501 | const Elf_Internal_Rela *, int)); |
dc810e39 | 1502 | |
b34976b6 | 1503 | extern bfd_boolean _bfd_elf_make_linker_section_rela |
dc810e39 AM |
1504 | PARAMS ((bfd *, elf_linker_section_t *, int)); |
1505 | ||
1506 | extern const bfd_target *bfd_elf32_object_p | |
1507 | PARAMS ((bfd *)); | |
1508 | extern const bfd_target *bfd_elf32_core_file_p | |
1509 | PARAMS ((bfd *)); | |
1510 | extern char *bfd_elf32_core_file_failing_command | |
1511 | PARAMS ((bfd *)); | |
1512 | extern int bfd_elf32_core_file_failing_signal | |
1513 | PARAMS ((bfd *)); | |
b34976b6 | 1514 | extern bfd_boolean bfd_elf32_core_file_matches_executable_p |
dc810e39 | 1515 | PARAMS ((bfd *, bfd *)); |
252b5132 | 1516 | |
b34976b6 | 1517 | extern bfd_boolean bfd_elf32_bfd_link_add_symbols |
252b5132 | 1518 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1519 | extern bfd_boolean bfd_elf32_bfd_final_link |
252b5132 RH |
1520 | PARAMS ((bfd *, struct bfd_link_info *)); |
1521 | ||
1522 | extern void bfd_elf32_swap_symbol_in | |
f8ecb12b | 1523 | PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); |
252b5132 | 1524 | extern void bfd_elf32_swap_symbol_out |
9ad5cbcf | 1525 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); |
252b5132 | 1526 | extern void bfd_elf32_swap_reloc_in |
947216bf | 1527 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
252b5132 | 1528 | extern void bfd_elf32_swap_reloc_out |
947216bf | 1529 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
252b5132 | 1530 | extern void bfd_elf32_swap_reloca_in |
947216bf | 1531 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
252b5132 | 1532 | extern void bfd_elf32_swap_reloca_out |
947216bf | 1533 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
252b5132 RH |
1534 | extern void bfd_elf32_swap_phdr_in |
1535 | PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *)); | |
1536 | extern void bfd_elf32_swap_phdr_out | |
1537 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *)); | |
1538 | extern void bfd_elf32_swap_dyn_in | |
1539 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1540 | extern void bfd_elf32_swap_dyn_out | |
c7ac6ff8 | 1541 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 | 1542 | extern long bfd_elf32_slurp_symbol_table |
b34976b6 AM |
1543 | PARAMS ((bfd *, asymbol **, bfd_boolean)); |
1544 | extern bfd_boolean bfd_elf32_write_shdrs_and_ehdr | |
dc810e39 | 1545 | PARAMS ((bfd *)); |
252b5132 | 1546 | extern int bfd_elf32_write_out_phdrs |
dc810e39 | 1547 | PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); |
b9f66672 JL |
1548 | extern void bfd_elf32_write_relocs |
1549 | PARAMS ((bfd *, asection *, PTR)); | |
b34976b6 AM |
1550 | extern bfd_boolean bfd_elf32_slurp_reloc_table |
1551 | PARAMS ((bfd *, asection *, asymbol **, bfd_boolean)); | |
1552 | extern bfd_boolean bfd_elf32_add_dynamic_entry | |
252b5132 | 1553 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); |
b34976b6 | 1554 | extern bfd_boolean bfd_elf32_link_create_dynamic_sections |
252b5132 RH |
1555 | PARAMS ((bfd *, struct bfd_link_info *)); |
1556 | extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs | |
b34976b6 | 1557 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, bfd_boolean)); |
252b5132 | 1558 | |
dc810e39 AM |
1559 | extern const bfd_target *bfd_elf64_object_p |
1560 | PARAMS ((bfd *)); | |
1561 | extern const bfd_target *bfd_elf64_core_file_p | |
1562 | PARAMS ((bfd *)); | |
1563 | extern char *bfd_elf64_core_file_failing_command | |
1564 | PARAMS ((bfd *)); | |
1565 | extern int bfd_elf64_core_file_failing_signal | |
1566 | PARAMS ((bfd *)); | |
b34976b6 | 1567 | extern bfd_boolean bfd_elf64_core_file_matches_executable_p |
dc810e39 | 1568 | PARAMS ((bfd *, bfd *)); |
b34976b6 | 1569 | extern bfd_boolean bfd_elf64_bfd_link_add_symbols |
252b5132 | 1570 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1571 | extern bfd_boolean bfd_elf64_bfd_final_link |
252b5132 RH |
1572 | PARAMS ((bfd *, struct bfd_link_info *)); |
1573 | ||
1574 | extern void bfd_elf64_swap_symbol_in | |
f8ecb12b | 1575 | PARAMS ((bfd *, const PTR, const PTR, Elf_Internal_Sym *)); |
252b5132 | 1576 | extern void bfd_elf64_swap_symbol_out |
9ad5cbcf | 1577 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR, PTR)); |
252b5132 | 1578 | extern void bfd_elf64_swap_reloc_in |
947216bf | 1579 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
252b5132 | 1580 | extern void bfd_elf64_swap_reloc_out |
947216bf | 1581 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
252b5132 | 1582 | extern void bfd_elf64_swap_reloca_in |
947216bf | 1583 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
252b5132 | 1584 | extern void bfd_elf64_swap_reloca_out |
947216bf | 1585 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
252b5132 RH |
1586 | extern void bfd_elf64_swap_phdr_in |
1587 | PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *)); | |
1588 | extern void bfd_elf64_swap_phdr_out | |
1589 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *)); | |
1590 | extern void bfd_elf64_swap_dyn_in | |
1591 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1592 | extern void bfd_elf64_swap_dyn_out | |
c7ac6ff8 | 1593 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 | 1594 | extern long bfd_elf64_slurp_symbol_table |
b34976b6 AM |
1595 | PARAMS ((bfd *, asymbol **, bfd_boolean)); |
1596 | extern bfd_boolean bfd_elf64_write_shdrs_and_ehdr | |
dc810e39 | 1597 | PARAMS ((bfd *)); |
252b5132 | 1598 | extern int bfd_elf64_write_out_phdrs |
dc810e39 | 1599 | PARAMS ((bfd *, const Elf_Internal_Phdr *, unsigned int)); |
b9f66672 JL |
1600 | extern void bfd_elf64_write_relocs |
1601 | PARAMS ((bfd *, asection *, PTR)); | |
b34976b6 AM |
1602 | extern bfd_boolean bfd_elf64_slurp_reloc_table |
1603 | PARAMS ((bfd *, asection *, asymbol **, bfd_boolean)); | |
1604 | extern bfd_boolean bfd_elf64_add_dynamic_entry | |
252b5132 | 1605 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); |
b34976b6 | 1606 | extern bfd_boolean bfd_elf64_link_create_dynamic_sections |
252b5132 RH |
1607 | PARAMS ((bfd *, struct bfd_link_info *)); |
1608 | extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs | |
b34976b6 | 1609 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, bfd_boolean)); |
252b5132 | 1610 | |
30b30c21 RH |
1611 | #define bfd_elf32_link_record_dynamic_symbol \ |
1612 | _bfd_elf_link_record_dynamic_symbol | |
1613 | #define bfd_elf64_link_record_dynamic_symbol \ | |
1614 | _bfd_elf_link_record_dynamic_symbol | |
1615 | ||
8c58d23b | 1616 | extern int elf_link_record_local_dynamic_symbol |
30b30c21 | 1617 | PARAMS ((struct bfd_link_info *, bfd *, long)); |
8c58d23b AM |
1618 | #define _bfd_elf32_link_record_local_dynamic_symbol \ |
1619 | elf_link_record_local_dynamic_symbol | |
1620 | #define _bfd_elf64_link_record_local_dynamic_symbol \ | |
1621 | elf_link_record_local_dynamic_symbol | |
252b5132 | 1622 | |
b34976b6 | 1623 | extern bfd_boolean _bfd_elf_close_and_cleanup |
dc810e39 | 1624 | PARAMS ((bfd *)); |
252b5132 RH |
1625 | extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn |
1626 | PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, | |
1627 | asection *, bfd *, char **)); | |
1628 | ||
b34976b6 | 1629 | extern bfd_boolean _bfd_elf32_gc_sections |
dc810e39 | 1630 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1631 | extern bfd_boolean _bfd_elf32_gc_common_finalize_got_offsets |
dc810e39 | 1632 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1633 | extern bfd_boolean _bfd_elf32_gc_common_final_link |
252b5132 | 1634 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1635 | extern bfd_boolean _bfd_elf32_gc_record_vtinherit |
252b5132 | 1636 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); |
b34976b6 | 1637 | extern bfd_boolean _bfd_elf32_gc_record_vtentry |
252b5132 RH |
1638 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); |
1639 | ||
b34976b6 | 1640 | extern bfd_boolean _bfd_elf64_gc_sections |
252b5132 | 1641 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1642 | extern bfd_boolean _bfd_elf64_gc_common_finalize_got_offsets |
dc810e39 | 1643 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1644 | extern bfd_boolean _bfd_elf64_gc_common_final_link |
dc810e39 | 1645 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 1646 | extern bfd_boolean _bfd_elf64_gc_record_vtinherit |
252b5132 | 1647 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); |
b34976b6 | 1648 | extern bfd_boolean _bfd_elf64_gc_record_vtentry |
252b5132 RH |
1649 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); |
1650 | ||
b34976b6 | 1651 | extern bfd_boolean _bfd_elf32_reloc_symbol_deleted_p |
73d074b4 | 1652 | PARAMS ((bfd_vma, PTR)); |
b34976b6 | 1653 | extern bfd_boolean _bfd_elf64_reloc_symbol_deleted_p |
73d074b4 DJ |
1654 | PARAMS ((bfd_vma, PTR)); |
1655 | ||
7c76fa91 | 1656 | /* Exported interface for writing elf corefile notes. */ |
d4c88bbb AM |
1657 | extern char *elfcore_write_note |
1658 | PARAMS ((bfd *, char *, int *, const char *, int, const PTR, int)); | |
1659 | extern char *elfcore_write_prpsinfo | |
1660 | PARAMS ((bfd *, char *, int *, const char *, const char *)); | |
1661 | extern char *elfcore_write_prstatus | |
1662 | PARAMS ((bfd *, char *, int *, long, int, const PTR)); | |
1663 | extern char * elfcore_write_pstatus | |
1664 | PARAMS ((bfd *, char *, int *, long, int, const PTR)); | |
1665 | extern char *elfcore_write_prfpreg | |
1666 | PARAMS ((bfd *, char *, int *, const PTR, int)); | |
1667 | extern char *elfcore_write_prxfpreg | |
1668 | PARAMS ((bfd *, char *, int *, const PTR, int)); | |
1669 | extern char *elfcore_write_lwpstatus | |
1670 | PARAMS ((bfd *, char *, int *, long, int, const PTR)); | |
7c76fa91 | 1671 | |
d4845d57 JR |
1672 | /* SH ELF specific routine. */ |
1673 | ||
b34976b6 | 1674 | extern bfd_boolean _sh_elf_set_mach_from_flags |
dc810e39 | 1675 | PARAMS ((bfd *)); |
d4845d57 | 1676 | |
252b5132 | 1677 | #endif /* _LIBELF_H_ */ |